439
FZUS54 KHGX 251912
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
112 PM CST Tue Nov 25 2025

Upper Texas coastal waters from High Island to the Matagorda Ship
Channel out 60 nautical miles including Galveston and Matagorda
Bays.

Seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the
average highest 10 percent of the waves.

GMZ300-260730-
112 PM CST Tue Nov 25 2025

.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.

Light northwest to north winds through this evening. A push of
cool, dry air will move into the waters late tonight and early
Wednesday morning. Expect an increase in northeast winds to 20 to
25 knots with gusts of around 30 knots and building seas to match.
A Small Craft Advisory is in place on the Gulf waters from late
tonight through Wednesday evening. Though winds and seas may
diminish just below advisory thresholds late in the week, Onshore
winds resume and increase for the weekend when advisories may be
needed once more.

$$

GMZ330-335-260730-
Matagorda Bay-Galveston Bay-
112 PM CST Tue Nov 25 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT FROM LATE
TONIGHT THROUGH WEDNESDAY AFTERNOON...

.THIS AFTERNOON...Northwest winds around 5 knots, becoming
northeast late. Bay waters smooth.
.TONIGHT...Northeast winds around 15 knots, increasing to 15 to
20 knots with gusts up to 25 knots after midnight. Bay waters
slightly choppy, increasing to choppy after midnight.
.WEDNESDAY...North winds 15 to 20 knots with gusts up to
25 knots. Bay waters choppy.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots with gusts up
to 20 knots. Bay waters slightly choppy.
.THURSDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy.
.THURSDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy.
.FRIDAY...East winds around 15 knots, becoming southeast 15 to
20 knots in the afternoon. Bay waters slightly choppy, increasing
to choppy in the afternoon.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Bay waters
choppy. A chance of showers after midnight.
.SATURDAY...South winds 15 to 20 knots. Bay waters choppy. A
chance of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots, becoming
northwest after midnight. Bay waters choppy. Showers with a
chance of thunderstorms in the evening, then showers likely after
midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-260730-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
112 PM CST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING...

.THIS AFTERNOON...Northwest winds around 5 knots, becoming
northeast late. Seas 2 to 3 feet. Wave Detail: South 3 feet at
6 seconds. A chance of showers with a slight chance of
thunderstorms early.
.TONIGHT...Northeast winds around 15 knots, increasing to 20 to
25 knots after midnight. Seas 2 to 3 feet, building to 3 to
5 feet after midnight. Wave Detail: South 2 feet at 6 seconds,
becoming northeast 3 feet at 3 seconds and southeast 2 feet at
6 seconds.
.WEDNESDAY...Northeast winds 20 to 25 knots, diminishing to
around 20 knots in the afternoon. Seas 4 to 6 feet, occasionally
to 8 feet. Wave Detail: Northeast 4 feet at 4 seconds and
southeast 2 feet at 6 seconds.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East 4 feet at 6 seconds.
.THURSDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at
6 seconds.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 6 seconds.
.FRIDAY...East winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 5 to 8 feet,
occasionally to 10 feet. A chance of showers after midnight.
.SATURDAY...South winds around 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A chance of showers in the morning, then
showers likely with a chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 15 to 20 knots, becoming northwest
after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Showers
likely and a chance of thunderstorms in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-260730-
Waters from Freeport to Matagorda Ship Channel TX from 20 to
60 NM-Waters from High Island to Freeport TX from 20 to 60 NM-
112 PM CST Tue Nov 25 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING...

.THIS AFTERNOON...West winds around 5 knots, becoming northeast
late. Seas around 3 feet. Wave Detail: South 3 feet at 6 seconds.
A slight chance of thunderstorms. A chance of showers early, then
a slight chance of showers.
.TONIGHT...Northeast winds around 15 knots, increasing to 20 to
25 knots after midnight. Seas 2 to 3 feet, building to 4 to
6 feet, occasionally to 8 feet after midnight. Wave Detail: South
3 feet at 6 seconds, becoming northeast 3 feet at 3 seconds and
southeast 3 feet at 6 seconds.
.WEDNESDAY...Northeast winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
East 6 feet at 6 seconds.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots with gusts up
to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave
Detail: Northeast 5 feet at 6 seconds.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Wave Detail: Northeast 5 feet at 6 seconds.
.THURSDAY NIGHT...East winds around 15 knots with gusts up to
20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at
6 seconds.
.FRIDAY...East winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A chance of showers after midnight.
.SATURDAY...South winds around 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A chance of showers in the morning, then
showers likely with a chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds around 20 knots, becoming northwest
after midnight. Seas 7 to 8 feet, occasionally to 10 feet. Showers
likely and a chance of thunderstorms in the evening.

Winds and seas higher in and near thunderstorms.

$$